Skip navigation links

oracle.toplink.remote
Class DistributedSession

java.lang.Object
AbstractSession
oracle.toplink.remote.DistributedSession

Direct Known Subclasses:

RemoteSession

public abstract class DistributedSession

extends AbstractSession

Purpose: Super class to all remote client session's.

See Also:

Serialized Form

Method Summary

abstract UnitOfWork	acquireUnitOfWork() PUBLIC: Return a unit of work for this session.
void	beginTransaction() PUBLIC: Start a transaction on the server.
void	commitTransaction() PUBLIC: Commit a transaction on the server.
abstract java.lang.Object	executeQuery(DatabaseQuery query) Execute the database query.
java.lang.Object	executeQuery(java.lang.String queryName) PUBLIC: Execute the pre-defined query by name and return the result.
java.lang.Object	executeQuery(java.lang.String queryName, java.lang.Class domainClass) PUBLIC: Execute the pre-defined query by name and return the result.
java.lang.Object	executeQuery(java.lang.String queryName, java.lang.Class domainClass, java.util.Vector argumentValues) PUBLIC: Execute the pre-defined query by name and return the result.
java.lang.Object	executeQuery(java.lang.String queryName, java.util.Vector argumentValues) PUBLIC: Execute the pre-defined query by name and return the result.
void	release() PUBLIC: Logout the session, close the remote connection and release the hold resources
void	rollbackTransaction() PUBLIC: Rollback a transaction on the server.
java.lang.String	toString() PUBLIC: Avoid printing the accessor and platform.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

acquireUnitOfWork

public abstract UnitOfWork acquireUnitOfWork()

PUBLIC: Return a unit of work for this session. The unit of work is an object level transaction that allows a group of changes to be applied as a unit.

See Also:

UnitOfWork

beginTransaction

public void beginTransaction()

PUBLIC: Start a transaction on the server. A unit of work should normally be used instead of transactions for the remote session.

commitTransaction

public void commitTransaction()

PUBLIC: Commit a transaction on the server. A unit of work should normally be used instead of transactions for the remote session.

executeQuery

public java.lang.Object executeQuery(java.lang.String queryName)
                              throws DatabaseException

PUBLIC: Execute the pre-defined query by name and return the result. Queries can be pre-defined and named to allow for their reuse. The named query can be defined on the remote session or the server-side session.

Throws:

DatabaseException

See Also:

#addQuery(String, DatabaseQuery)

executeQuery

public java.lang.Object executeQuery(java.lang.String queryName,
                                     java.lang.Class domainClass)
                              throws DatabaseException

PUBLIC: Execute the pre-defined query by name and return the result. Queries can be pre-defined and named to allow for their reuse. The class is the descriptor in which the query was pre-defined. The query is executed on the server-side session.

Throws:

DatabaseException

See Also:

DescriptorQueryManager.addQuery(String, DatabaseQuery)

executeQuery

public java.lang.Object executeQuery(java.lang.String queryName,
                                     java.lang.Class domainClass,
                                     java.util.Vector argumentValues)
                              throws DatabaseException

PUBLIC: Execute the pre-defined query by name and return the result. Queries can be pre-defined and named to allow for their reuse. The class is the descriptor in which the query was pre-defined.

Throws:

DatabaseException

See Also:

DescriptorQueryManager.addQuery(String, DatabaseQuery)

executeQuery

public java.lang.Object executeQuery(java.lang.String queryName,
                                     java.util.Vector argumentValues)
                              throws DatabaseException

PUBLIC: Execute the pre-defined query by name and return the result. Queries can be pre-defined and named to allow for their reuse.

Throws:

DatabaseException

See Also:

#addQuery(String, DatabaseQuery)

executeQuery

public abstract java.lang.Object executeQuery(DatabaseQuery query)

Execute the database query.

rollbackTransaction

public void rollbackTransaction()

PUBLIC: Rollback a transaction on the server. A unit of work should normally be used instead of transactions for the remote session.

toString

public java.lang.String toString()

PUBLIC: Avoid printing the accessor and platform.

release

public void release()

PUBLIC: Logout the session, close the remote connection and release the hold resources

Skip navigation links